34644250644 has 48 divisors (see below), whose sum is σ = 81786432000. Its totient is φ = 11412845280.

The previous prime is 34644250639. The next prime is 34644250661. The reversal of 34644250644 is 44605244643.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 34644250596 and 34644250605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588679 + ... + 644849.

It is an arithmetic number, because the mean of its divisors is an integer number (1703884000).

Almost surely, 2^34644250644 is an apocalyptic number.

It is an amenable number.

34644250644 is an abundant number, since it is smaller than the sum of its proper divisors (47142181356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34644250644 is a wasteful number, since it uses less digits than its factorization.

34644250644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56780 (or 56778 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 42.

The spelling of 34644250644 in words is "thirty-four billion, six hundred forty-four million, two hundred fifty thousand, six hundred forty-four".